How do I ask a friend to become a manager?

To ask a friend to be a manager for you, please follow the steps described:
1. Connect your Transport Empire game to your Facebook profile.
2. Tap on the mine where you need a manager.
3. Press Invite in the window that appears.
4. Invite your friend to be a manager in one of the following ways:
- select the friend you want to invite to be a manager and then press Send;
- press Send to All to invite all your friends to be managers.